Compress a PDF to Email It
Email providers cap attachments — around 25 MB for Gmail and Outlook, less on many corporate systems. Compress a large PDF to fit and send it directly instead of using a file link. It all runs in your browser, so the document stays private.
The requirement
- Gmail / Outlook limit
- ≈ 25 MB
- Many corporate limits
- 5–10 MB
- Best for
- Reports, brochures, scanned bundles
- Format
These are typical published values and can change from year to year and from one portal to another. Always confirm the exact requirement in the official notification or upload portal before you submit — the official source takes precedence over anything here.
Step by step
- 1Check your (and the recipient's) attachment limit.
- 2Compress the PDF to comfortably fit — 1 MB is a safe, universal target.
- 3Attach the smaller file and send.
The free tools you need
Need something else? Try our free PDF compressor or merge PDF files. You can also browse all free PDF tools — everything runs in your browser, with nothing uploaded.
Frequently asked questions
Compress it. Aiming for 1 MB or less keeps it well under Gmail/Outlook's 25 MB limit and any stricter corporate cap.
For text PDFs, no visible change. Image-heavy PDFs lose some detail but stay readable.
No — it's compressed in your browser and never sent to a server.